.share{
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 300px;
    /* min-height: 400px; */
    transform: translate(-50%,-50%);
    background: #ddd;
    box-shadow: 0 0 5px black;
    padding: 10px;
}
.share textarea{
    width: 100%;
    height: 4em;
    resize: none;
    margin-top: 5px;
    padding: 5px;
    word-break: break-all;
}